Image forming apparatus and method of controlling image...

Details Image forming apparatus and method of controlling image... Image forming apparatus and method of controlling image...

2007-12-11

2007-12-11

Chen, Sophia S. (Department: 2852)

Electrophotography

Image formation

Transfer

C399S066000, C399S302000

Reexamination Certificate

active

11241770

ABSTRACT:
An image forming apparatus for overlaying toner images of at least two colors on an image carrier, and forming the toner images on a printing medium, counts the perimeter of the image carrier on the basis of a reference signal and a sampling period of a clock count, and sets target values of image formation start timings for respective colors in consideration of a perimeter error of the image carrier due to a quantization error produced upon counting on the basis of the reference signal and the sampling period of the clock count.

REFERENCES:
patent: 6301451 (2001-10-01), Ando et al.
patent: 2004/0184827 (2004-09-01), Yamada
patent: 10-123846 (1998-05-01), None

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